The target "Speedway # 3" is inspired by the original image, which was in Sís' film "Mimicry" and reproduced in the magazine Film & Doba and also in the book "Wall". Petr Sís made a series of targets, which at that time were bought or given to many people, including Pavel "Pavka" Komberc. The theme of the targets varied, some had director Jaromír Vašta and singer Waldemar Matuška. The targets were made of wood, mostly with an oil pastel base and figures of gouache, which was fixed with all the wax. Petr Sís is the author of twenty-seven books for children and young people, and he has created illustrations for another approximately sixty books. He is also the creator of animated films.